Gaya APA

Buchman, A, L, A, N, S, J. (2019). Gastroenterology Clinics :Laboratory Monitoring of Gastrointestinal and Hepatobiliary Disease . USA: Elsevier Inc..

Gaya MLA

Buchman, Alan, L., And, Naides,, Stanley, J.. "Gastroenterology Clinics :Laboratory Monitoring of Gastrointestinal and Hepatobiliary Disease". USA: Elsevier Inc., 2019. Teks.